Technical specs and contents:

• 1 pr 6.5” sub bass driver
• Frequency response 40Hz-20.000Hz
• Power handling: 140Watt
• Impedance 4 Ohm
• Sensitivity: 81.65dB
• Mounting depth: 2.63” (66.8mm)
• Diameter: 6.5” (170mm)
• Cone: Coated carbon  einforced  cone
• Magnet weight: 20 Oz
• Cone surround: rubber
• Voice coil: 1.0” (26mm)
• Crossover: “Transient Optimized” 24 dB Elliptic design
• Tweeter: 1” silk dome tweeter. Flush and surface mounts